Creepage Control for Use in Wheelslide Protection Systems

Wheelslide and Wheelskid Protection for a Single-Wheel Drive and Brake Module (SDBM) for Rail Vehicles

“…is able to stabilise both, a closed loop including G SK from equation (52) and one including G SL from equation (53). As a rule of thumb, the controller parameters K R , T V and T have to be chosen in such a way that the bandwidth of the control system extends beyond the frequency of the highest frequency unstable pole (see citations in [Stü06]). Hence, the bandwidth must be greater than g λ−1 σ max (v min ).…”

“…This paper presents the results of a dynamic analysis of the SDBM-wheelslide and wheelskid protection problem which is based on a set of mathematical models. It follows primarily the approach already introduced in [Stü06] but extends it about the consideration of the wheelskid case, the treatment of the creep velocity control task and the use of the well-known Polach-creep force curve. From that, a structure for creepage and creep velocity controllers is suggested, that is applicable with respect to the wheelslide and wheelskid protection task.…”